jontonbon
13.02.2020 •
Mathematics
Explain the meaning of the following percentiles:
1) The 10th percentile of the weight of males 36 months of age in a certain city is 13.0 kg.
2) The 90th percentile of the length of newborn females in a certain city is 53.8 cm.
1)The 10th percentile of the weight of males 36 months of age in a certain city is 13.0 kg.
A) 10% of males weigh 12.0 kg or less and 90% of the 36-month-old males weight more than 12.0 kg.
B) 10% of males weigh 12.0 kg or more and 90% of the 36-month-old males weight less than 12.0 kg.
C) 10% of 36-month old males weigh 12.0 kg or less, and 90% of 36-month-old males weigh more than 12.0 kg.
D) 10% of 36-month old males weigh 12.0 kg or more, and 90% of 36-month-old males weigh less than 12.0 kg.
2) The 90th percentile of the length of newborn females in a certain city is 53.8 cm.
A) 90% of females have a length of 54.3 cm or less and 10% of newborn females have a length that is more than 54.3 cm.
B) 90% of females have a length of 54.3 cm or more and 10% of newborn females have a length that is less than 54.3 cm.
C) 90% of Newborn females have a length of 54.3 cm or more and 10% of newborn have a length that is less than 54.3 cm.
D) 90% of Newborn females have a length of 54.3 cm or less and 10% of newborn have a length that is more than 54.3 cm.
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Ответ:
1. Option C
2. Option A
Step-by-step explanation:
We are given the following in the question:
Percentile:
A percentile is a measure indicating the value below which a given percentage of observations falls. Formula:1) 10th percentile = 12.0 kg
Interpretation:
About 10% of 36 months old male are less than 12.0 kg and about 90% are more than 12.0 kg.
Option C) 10% of 36-month old males weigh 12.0 kg or less, and 90% of 36-month-old males weigh more than 12.0 kg.
2) 90th percentile = 54.3 cm
Interpretation:
About 90% of newborn females are 54.3 cm or less and 10% are more than 54.3 cm in length.
Option A) 90% of females have a length of 54.3 cm or less and 10% of newborn females have a length that is more than 54.3 cm.
Ответ:
D
Step-by-step explanation:
Stan works for 28 hours and gets paid $12 for each hour, so the amount of money he gets in total is $12*28 = $336.